Michael Schurter 9cac60dbed test: use port collision instead of cpu exhaustion (#14994) ... Originally this test relied on Job 1 blocking Job 2 until Job 1 had a terminal *ClientStatus.* Job 2 ensured it would get blocked using 2 mechanisms: 1. A constraint requiring it is placed on the same node as Job 1. 2. Job 2 would require all unreserved CPU on the node to ensure it would be blocked until Job 1's resources were free. That 2nd assertion breaks if *any previous job is still running on the target node!* That seems very likely to happen in the flaky world of our e2e tests. In fact there may be some jobs we intentionally want running throughout; in hindsight it was never safe to assume my test would be the only thing scheduled when it ran. *Ports to the rescue!* Reserving a static port means that both Job 2 will now block on Job 1 being terminal. It will only conflict with other tests if those tests use that port *on every node.* I ensured no existing tests were using the port I chose. Other changes: - Gave job a bit more breathing room resource-wise. - Tightened timings a bit since previous failure ran into the `go test` time limit. - Cleaned up the DumpEvals output. It's quite nice and handy now!		2022-10-21 07:53:26 -07:00
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overlap.nomad	test: use port collision instead of cpu exhaustion (#14994)	2022-10-21 07:53:26 -07:00